TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COUPLE PARASITE [1 record]

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Record 1 2001-09-20

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
CONT

The ability to manufacture precision gyroscopic instruments which are sufficiently free of unpredictable drift is the ultimate limiting factor in the performance of inertial navigation technology. Gyro drift ... is the overriding performance concern and it is caused by parasitic precessional torques which are outside the system mechanization loops.

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

[...] les couples parasites [sont] source de dérives des gyroscopes. On a donc essayé de réduire au maximum les résistances passives dans les articulations en supprimant les contacts à frottement solide.

PHR

Générer des couples parasites.

Spanish

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